Rev. Klett is an ordained PCA minister, the first ever called to Jewish ministry. He is the founder of the CHAIM ministry and also serves in a co-pastoral capacity for Rock of Israel PCA in Philadelphia, PA. He has been an adjunct professor at Westminster Seminary Escondido, CA, has taught courses at Reformed Theological Seminary in Washington DC and Orlando, FL and has served as a lecturer and D.Min. Adviser at Westminster Seminary Philadelphia.